Re: Strange compgen behaviour

[Chris F.A. Johnson]

On Thu, 24 Sep 2009, Bernd Eggink wrote:

> Chet Ramey schrieb:
> > > Hm, compgen appears to behave strange if words contain whitespace. 
> > 
> > Well, it splits the argument to -W on $IFS as documented.  What other
> > strange behavior do you see? 
> 
> For example, this:
> 
>     function _aha
>     {
>         local list="a b:c d:e f"
>         COMPREPLY=($(IFS=: compgen -W "$list"))

   That expands to:

COMPREPLY=( a b c d e f )

>     }
> 
>     complete -F _aha aha
> 
> Typing aha <Tab> cycles through 6 items a, b, c, d, e, f, whereas I would
> expect 3 items 'a b', 'c d', 'e f'. It looks like compgen splits the argument
> to -W on $IFS _and_ whitespace. Or am I missing something?

-- 
   Chris F.A. Johnson, webmaster         <http://woodbine-gerrard.com>
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   Author:
   Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)